Furuno 851, 861 Operator's Manual
MODEL 851/861
Operator's Guide
The purpose of this manual is to provide the
basic operating procedures for Model 851/861.
For detailed information, refer to the operator's
manual.
Control Panel
Power on/off
Press [POWER].
Transmitting/stand-by
Press [ST-BY TX].
LCD tone and brilliance
1. Press [TONE] or [BRILL].
2. Press [BRILL] (or [TONE]key) to set
level. For fine adjustment, press omnipad
at ▲/▼ for brilliance and t/s for tone.
Adjusting sensitivity
1. Press [ECHO] and select AUTO or MAN
in GAIN.
2. Press [ENT].
3. Press the omnipad to set level.
Suppressing sea clutter
1. Press [ECHO] and select AUTO or MAN
in STC.
2. Press [ENT].
3. Press the omnipad to set level.
BRILL
DOWN
BRILL
UP
TONE
DOWN
19 7
<MENU TO EXIT>
TONE
UP
LCD brilliance
setting
Tone
setting
Item selected
for adjustment
Omnipad
Shift cursor, VRM
and EBL; select
items and options
on menu.
Selects display
mode;
erases heading error
indication.
Turns power on/off.
Adjusts display
brilliance.
Sets radar in stand-by;
transmits radar pulse.
Plots targets’ trails.
Opens/closes menus.
Turns the VRM on/off.
Turns the EBL
on/off.
ENT
MENU
ECHO
HM
OFF
TONE
BRILL
EBL
VRM
TRAIL
RINGS
GUARD
OFF
CENTER
DISP
MODE
ST-BY
TX
POWER
Erases heading marker;
selects cursor data
(Lat/Long, R/B);
outputs cursor position.
Selects radar range.
Turns the range
rings on/off.
Off centers
the display.
Sets guard
zone area.
Adjusts display
tone.
Press to adjust gain,
A/C RAIN, STC
and FTC.
Registers selection
on menus.
RANGE
AUTO 1 2 3
MAN
AUTO 1 2 3
MAN
GAIN
STC
◆
◆
[
[
A/C RAIN 00
FTC 0 1 2
1
ECHO KEY
TO EXIT
Current
level
Item selected
for adjustment
AUTO 1 2 3
MAN
AUTO 1 2 3
MAN
GAIN
STC
◆
◆
[
[
A/C RAIN 00
FTC 0 1 2
1
ECHO KEY
TO EXIT
Current
level
Item selected
for adjustment
Echo trails on/off
Press [TRAIL]. (Trail brilliance and trail time
may be selected on the menu.)
Setting a guard zone
1. Place the cursor at the top left corner for
the zone and press [GUARD].
2. Place the cursor at the bottom right corner
for the zone and press [GUARD].
Zooming up target echoes
1. Press [MENU].
2. Select Zoom on Select Mode & Function
menu.
3. Press [DISP MODE] to display the window.
4. Press the omnipad to place the circle cursor on the area to zoom.
5. Press [ENT] to register.
The window displays the entire radar picture
on the next higher range by selecting "Wide"
instead of "Zoom" on the menu.
Suppressing rain clutter
1. Press [ECHO] and select A/C RAIN or
FTC.
2. Press [ENT].
3. Press the omnipad to set level.
Shifting the cursor
1. Press the omnipad.
Measuring range by VRM
1. Press [VRM].
2. Press the omnipad to place the VRM on
the inside edge of the target.
Measuring bearing by EBL
1. Press [EBL].
2. Press the omnipad to bisect the target with
EBL.
Showing/Hiding range rings
Press [RINGS].
Hiding the heading line
Press [HM OFF].
Drag cursor
here.
Drag cursor
here.
Step 1 Step 2
VRM EBL +CURSOR
**.** NM ***.*°R ***.**NM ***.*° R
Window
display
area
VRM EBL +CURSOR
**.** NM ***.*°R ***.**NM ***.*° R
(1) Press [DISP MODE]
to select the window
display.
Circle Cursor (1/4 or 1/3 of range)
(2) Press omnipad
to select area to zoom
and press [ENT].
AUTO 1 2 3
MAN
AUTO 1 2 3
MAN
GAIN
STC
◆
◆
[
[
A/C RAIN 00
FTC 0 1 2
00
ECHO KEY
TO EXIT
Current
level
Item selected
for adjustment
PUB.NO.OSE-34370-A
(9611,HIMA) MODEL 851/861
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